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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:25:22 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:25:22 +0000 |
commit | f6ad4dcef54c5ce997a4bad5a6d86de229015700 (patch) | |
tree | 7cfa4e31ace5c2bd95c72b154d15af494b2bcbef /test/fixedbugs/issue23812.go | |
parent | Initial commit. (diff) | |
download | golang-1.22-f6ad4dcef54c5ce997a4bad5a6d86de229015700.tar.xz golang-1.22-f6ad4dcef54c5ce997a4bad5a6d86de229015700.zip |
Adding upstream version 1.22.1.upstream/1.22.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/fixedbugs/issue23812.go')
-rw-r--r-- | test/fixedbugs/issue23812.go | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/fixedbugs/issue23812.go b/test/fixedbugs/issue23812.go new file mode 100644 index 0000000..0a40deb --- /dev/null +++ b/test/fixedbugs/issue23812.go @@ -0,0 +1,34 @@ +// run + +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import "fmt" + +func main() { + want := int32(0x3edae8) + got := foo(1) + if want != got { + panic(fmt.Sprintf("want %x, got %x", want, got)) + } +} + +func foo(a int32) int32 { + return shr1(int32(shr2(int64(0x14ff6e2207db5d1f), int(a))), 4) +} + +func shr1(n int32, m int) int32 { return n >> uint(m) } + +func shr2(n int64, m int) int64 { + if m < 0 { + m = -m + } + if m >= 64 { + return n + } + + return n >> uint(m) +} |